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Vulnerability record · CVE-2026-64852 · published 19 August 2026

CVE-2026-64852: Missing authorization vulnerability

Grav API Plugin is a RESTful API for Grav CMS that provides full headless access to your site's content. Prior to 1.0.8, the Grav API plugin intercepts the apiKeyGenerate and apiKeyRevoke admin tasks in user/plugins/api/api.php and authorizes the caller with only admin.login. A basic panel user can select another account from the route, create a persistent ApiKeyManager credential bound to that target, and inherit the target's API permissions, including api.super or administrative write access when present. This issue is fixed in version 1.0.8.

8.7 CVSS 4.0 High EPSS 0.41% · top 66.9% CWE-862 · Missing authorization Deferred
8.7CVSS 4.0 base score
0.41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
9 Sep 2026Last modified by NVD

Description

Grav API Plugin is a RESTful API for Grav CMS that provides full headless access to your site's content. Prior to 1.0.8, the Grav API plugin intercepts the apiKeyGenerate and apiKeyRevoke admin tasks in user/plugins/api/api.php and authorizes the caller with only admin.login. A basic panel user can select another account from the route, create a persistent ApiKeyManager credential bound to that target, and inherit the target's API permissions, including api.super or administrative write access when present. This issue is fixed in version 1.0.8.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/getgrav/grav-plugin-api/commit/ed16f0aaa9b398c6f179fb8f51e0fa53e4ed8a30
https://github.com/getgrav/grav-plugin-api/releases/tag/1.0.8
https://github.com/getgrav/grav/security/advisories/GHSA-7v74-m76q-8wf3
https://github.com/getgrav/grav/security/advisories/GHSA-7v74-m76q-8wf3

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Source: NIST National Vulnerability Database (record CVE-2026-64852), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.